#include <stdio.h>
int main(void)
{
	int k;
	printf("**************time**************\n");
	printf("1 Good morning\n");
	printf("2 Good afternoon\n");
	printf("3 Good night\n");
	printf("********************************\n");
	printf("please input your choice\n");
	scanf("%d",&k);
	switch (k)
	{
	case 1:
		printf("Good morning\n");
		break;
    case 2:
		printf("Good afternoon\n");
		break;
    case 3:
		printf("Good  night\n");
		break;
    default:
		printf("error\n");
    }
	return 0;
}